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Finding the Fourth Proportional to 326,992.20, 451,262.58 and 183,751.80

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Solution

The fourth proportional to 326,992.20, 451,262.58 and 183,751.80 is: 253,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,992.20 : 451,262.58 = 183,751.80 : x
  2. Step 2: Convert to fraction form
    326,992.20/451,262.58 = 183,751.80/x
  3. Step 3: Cross multiply
    326,992.20x = 451,262.58 × 183,751.80
  4. Step 4: Simplify right side
    326,992.20x = 82,920,311,347.64
  5. Step 5: Solve for x
    x = 82,920,311,347.64/326,992.20
  6. Step 6: Final answer
    x = 253,584.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.